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Grade 10 Chapter 12

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which of the following is not a common way to classify engines?
a.
Cylinder arrangement.
c.
Camshaft location.
b.
Carburetor design.
d.
Number of cylinders.
 

 2. 

A slant engine has ____ bank(s) of cylinders.
a.
one
c.
four
b.
two
d.
none
 

 3. 

Any vehicle engine that is not an internal combustion, four-stroke cycle, reciprocating piston type is classified as a(n) ____ engine.
a.
hybrid
c.
low-efficiency
b.
alternative
d.
experimental
 

True/False
Indicate whether the statement is true or false.
 

 4. 

Two-stroke cycle engines are not as fuel-efficient as four-stroke cycle engines.
 

 5. 

A three-valve combustion chamber typically has one intake valve and two exhaust valves.
 

 6. 

Inline engines have cylinders arranged in pairs.
 

 7. 

A diesel engine uses a spark plug to ignite the fuel.
 

 8. 

Slant engines and V-type engines allow lower hood lines than inline engines.
 

 9. 

A hemispherical combustion chamber has a dome shape.
 

 10. 

The cylinders in each bank of a W-type engine are offset.
 

Matching
 
 
Match the following terms and identifying phrases.
a.
pent-roof combustion chamber
c.
opposed cylinder arrangement
b.
diesel
d.
Wankel
 

 11. 

Rotary engine.
 

 12. 

Improves volumetric efficiency and reduces emissions.
 

 13. 

“Pancake” engine.
 

 14. 

Squeezes air to ignite fuel.
 

Completion
Complete each statement.
 

 15. 

A(n) ______________________________ overhead cam engine has two camshafts per cylinder head.
 

 

 16. 

Camshaft ______________________________ is one of the methods used for classifying vehicle engines.
 

 

 17. 

______________________________ petroleum gas, also called “LP gas,” can be used to power a vehicle.
 

 

 18. 

The sequence in which combustion occurs in an engine’s cylinders is called the ______________________________ order.
 

 

 19. 

A common form of valve control is the single overhead cam, usually abbreviated as ______________________________.
 

 

 20. 

In a diesel engine, a(n) ______________________________ chamber is often used to aid in cold weather starting.
 

 

 21. 

The ______________________________ cycle engine requires only one revolution of the crankshaft for each power-producing cycle.
 

 

 22. 

A liquid cooling system ______________________________ the engine cylinders with a coolant (water and antifreeze mixture).
 

 

 23. 

In the pancake combustion chamber, the valve heads are almost ______________________________ with the top of the piston.
 

 

Short Answer
 

 24. 

Where are four-stroke cycle L-head engines sometimes used today?
 

 25. 

What are some effects of increasing the number of cylinders in an engine?
 



 
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